What is La Niña?To play this video you need to enable JavaScript in your browser.This video can not be playedWhat is La Niña?CloseAustralia's Bureau of Meteorology has declared that a La Niña event has begun - but what is La Niña? Ben Rich explains.SectionWeatherPublished23 November 2021Shareclose panelShare pageCopy linkAbout sharingRead description
